Now showing items 19-38 of 45

  • Heavy-Duty Transmission Gear Shift Investigation by Virtual Prototypes 

    Prokop, Aleš; Kučera, Pavel; Řehák, Kamil (JVE Intenational, 2018-05-22)
    This paper deals with application of virtual prototype to the heavy-duty vehicles gearbox concept. Used methodology was developed and validated on the single stage gearbox concept. Afterwards the virtual prototype was ...
  • Measuring the yaw mass moment of inertia of vehicle 

    Hejtmánek, Petr; Blaťák, Ondřej; Kučera, Pavel; Porteš, Petr; Vančura, Jan (ČVUT-Praha, 2013-07-06)
    The paper describes the procedure of the vehicle yaw moment of inertia determination. The effect of the oscillation period measurement error onto total measurement error is analysed. The measurement stand for moment of ...
  • A method of rotary engine performance prediction 

    Drbal, Milan (Silesian University of Technology, 2020-06-20)
    The rotary engine mainly developed for the automotive industry by the NSU corporation is currently used in unmanned aircraft, transportable generators and small watercraft. In the early stage of the engine development, the ...
  • MODERN TOOLS FOR VEHICLE DEVELOPMENT 

    Porteš, Petr; Kučera, Pavel; Píštěk, Václav; Fojtášek, Jan; Zháňal, Lubor (Brno University of Technology, 2017-05-15)
    The development of vehicles is constantly advancing, therefore, it is required to have more sophisticated tools for the development of a complete vehicle or its individual parts. This article describes modern tools used ...
  • Optimal design of structure in rheological models: an automotive application to dampers with high viscosity silicone fluids 

    Píštěk, Václav; Klimeš, Lubomír; Mauder, Tomáš; Kučera, Pavel (JVE International, 2017-10-09)
    Dynamic torsional vibration dampers are for a long time inherent integral components of internal combustion engines. One of the most common types of the dynamic dampers is a silicone damper. It has been, for many years, ...
  • Parameter effecting the experimental determination of modal properties 

    Řehák, Kamil; Kučera, Pavel; Prokop, Aleš (JVE Intenational, 2018-05-22)
    The investigation of structure dynamic behavior can be done by finding modal properties, which are based on the relation of force and vibration response. The information about exact force value is in most application ...
  • Piston secondary motion measurement by laser displacement sensors 

    Dlugoš, Jozef; Novotný, Pavel (JVE Intenational, 2018-05-22)
    Measurement of the piston group behavior is still a challenge. Achieved accuracy and complexity go hand in hand with the financial requirements. This paper presents an unconventional measurement of the piston secondary ...
  • Prototyping a System for Truck Differential Lock Control 

    Kučera, Pavel; Píštěk, Václav (MDPI, 2019-08-20)
    The article deals with the development of a mechatronic system for locking vehicle differentials. An important benefit of this system is that it prevents the jamming of the vehicle in difficult adhesion conditions. The ...
  • Research and Development of Self-Contained Water Injection Systems 

    Bazala, Jiří; Hébert, Guillaume; Fischer, Oliver; Nothbaum, Juergen; Thewes, Matthias; Vosshall, Tobias; Diehl, Peter; Kučera, Pavel (MDPI, 2021-05-18)
    Reducing fuel consumption and thus CO2 emissions is one of the most urgent tasks of current research in the field of internal combustion engines. Water Injection has proven its benefits to increase power or optimize fuel ...
  • The research of the influence of viscous interaction between wagon and container on the dynamic load during transportation by rail ferry 

    Lovska, Alyona; Fomin, Oleksij; Píštěk, Václav; Kučera, Pavel (JVE International, 2020-05-07)
    This paper proposes the improved scheme of interaction of containers with the load-bearing structure of the wagon when transporting by rail ferry. In order to ensure the stability of the container balance in the event of ...
  • Research to improve traction and dynamic quality of locomotives 

    Píštěk, Václav; Kučera, Pavel (JVE International, 2017-09-27)
    The article reviews and analyzes available theoretical and experimental studies aimed at improving the tractive and dynamic characteristics of locomotives. Based on the information received, the authors formulated the ...
  • Results of the experimental research of dynamic vibration processes of the rail for rolling stocks fault diagnostics 

    Píštěk, Václav; Kravchenko, Kostiantyn; Kučera, Pavel (JVE International, 2017-09-27)
    The paper discusses the preconditions of the methodology development of diagnosis system for assessing dynamic impact of the rolling stock on the basis of processing and analysis of data obtained in operation on the results ...
  • Self-Heating Mould for Composite Manufacturing 

    Kondratiev, Andrii; Píštěk, Václav; Purhina, Svitlana; Shevtsova, Maryna; Fomina, Anna; Kučera, Pavel (MDPI, 2021-09-12)
    The shipbuilding industry, engine manufacturing, aviation, rocket and space technology are promising fields of application for polymeric composite materials. Shape-generating moulding tools with internal heating are used ...
  • SHAFT VIBRATION OF THE TRUCK 

    Kučera, Pavel; Píštěk, Václav (Brno University of Technology, 2017-05-15)
    This article describes analysis of vibrations in a powertrain of a truck with 8x8 drive. It may be caused by a deflection of the rotating drive shaft. The aim was to reduce the vibrations, therefore, a transient computational ...
  • Small Cogeneration Unit with Heat and Electricity Storage 

    Štětina, Josef; Březina, Michal; Böhm, Michael (MDPI, 2021-04-09)
    A micro cogeneration unit based on a three-cylinder internal combustion engine, Skoda MPI 1.0 L compressed natural gas (CNG), with an output of 25 kW at 3000 RPM is proposed in this paper. It is a relatively simple engine, ...
  • Strength characteristic determination of a flat wagon carrying structure with a lower centre of gravity 

    Fomin, Oleksij; Lovska, Alyona; Píštěk, Václav; Kučera, Pavel (JVE International, 2020-06-29)
    The study deals with application of flat wagons with lower centre of gravity for transportation of heavy containers and military equipment. A special feature of the wagon structure is the presence of swivel sectors, which ...
  • Substantiation of Improvements for the Bearing Structure of an Open Car to Provide a Higher Security during Rail/Sea Transportation 

    Fomin, Oleksij; Lovska, Alyona; Kučera, Pavel; Píštěk, Václav (MDPI, 2021-08-13)
    This article presents the most frequent damage in the bearing structure of a rail car during rail/sea transportation. The study includes load modes for the bearing structure of an open car such as unloading with a grab and ...
  • Supplying system abrasive material with automatic dosing control 

    Píštěk, Václav; Kučera, Pavel (JVE Intenational, 2018-05-22)
    The article examines the work and key elements of the automated system for supplying abrasive material using a managed pneumatic dispensing. Proposed to manage the flow of abrasive material using continuous (for the case ...
  • Testing of the Mechatronic Robotic System of the Differential Lock Control on a Truck 

    Kučera, Pavel; Píštěk, Václav (SAGE Publications, 2017-10-30)
    This article deals with testing the algorithm developed for autonomous control lock of the differential in a truck. Hardware for HIL testing of robotic systems or automotive systems is used and the proposed control algorithm ...
  • Torsional analysis of the engine computational model 

    Kučera, Pavel; Píštěk, Václav (JVE Intenational, 2017-12-17)
    The paper deals with basic behaviour and torsional analysis of the engine computational model. This computational model is assembled from own blocks which are created using the basic elements of Simulink software. The paper ...